<style lang="less">
    @import "../../../styles/table-common.less";
</style>
<template>
    <div class="search">
        <Card>
            <Row class="operation">
                <Button @click="add" type="primary" icon="md-add">添加</Button>
                <Button @click="delAll" icon="md-trash">删除</Button>
                <Button @click="getDataList" icon="md-refresh">刷新</Button>
                <Button type="dashed" @click="openTip = !openTip">{{
                    openTip ? "关闭提示" : "开启提示"
                    }}
                </Button>
                <!-- 动态列按钮 -->
                <Poptip placement="bottom-end" width="360" style="float: right">
                    <Button shape="circle" icon="md-apps"></Button>
                    <div slot="content">
                        <CheckboxGroup v-model="columnSettings" @on-change="changeColumns">
                            <div v-for="(column, i) in columns" :key="i">
                                <Col
                                        span="8"
                                        v-if="column.key && column.key.indexOf(whiteColumns) <= -1">
                                    <Checkbox :label="column.key" :disabled="column.disabled">
                                        <span>{{ column.title }}</span>
                                    </Checkbox>
                                </Col>
                            </div>
                        </CheckboxGroup>
                    </div>
                </Poptip>
            </Row>
            <Row v-show="openTip">
                <Alert show-icon>
                    已选择
                    <span class="select-count">{{ selectList.length }}</span> 项
                    <a class="select-clear" @click="clearSelectAll">清空</a>
                    这里还可以做一些数据统计显示
                    <span style="float: right">点击右上角按钮配置动态列↑</span>
                </Alert>
            </Row>
            <Row>
                <Table
                        :loading="loading"
                        border
                        :columns="dynamicColums"
                        :data="data"
                        ref="table"
                        sortable="custom"
                        @on-sort-change="changeSort"
                        @on-selection-change="changeSelect"></Table>
            </Row>
            <Row type="flex" justify="end" class="page">
                <Page
                        :current="searchForm.page.current"
                        :total="searchForm.page.total"
                        :page-size="searchForm.page.size"
                        @on-change="changePage"
                        @on-page-size-change="changesize"
                        :page-size-opts="[10, 20, 50]"
                        size="small"
                        show-total
                        show-elevator
                        show-sizer></Page>
            </Row>
        </Card>

        <Modal
                :title="modalTitle"
                v-model="modalVisible"
                :mask-closable="false"
                :width="500">
            <Form ref="form" :model="form" :label-width="80" :rules="formValidate">
                <FormItem label="名称" prop="name">
                    <Input v-model="form.name"/>
                </FormItem>
            </Form>
            <div slot="footer">
                <Button type="text" @click="handleCancel">取消</Button>
                <Button type="primary" :loading="submitLoading" @click="handleSubmit">提交</Button>
            </div>
        </Modal>
    </div>
</template>

<script>
    export default {
        name: "simple-table",
        data() {
            return {
                openTip: true, // 显示提示
                loading: true, // 表单加载状态
                searchForm: {
                    // 搜索框对应data对象
                    page: {
                        current: 1, // 当前页数
                        size: 10, // 页面大小
                        total: 0, // 表单数据总数
                    },
                    sort: "createTime", // 默认排序字段
                    order: "desc", // 默认排序方式
                },
                modalType: 0, // 添加或编辑标识
                modalVisible: false, // 添加或编辑显示
                modalTitle: "", // 添加或编辑标题
                form: {
                    // 添加或编辑表单对象初始化数据
                    name: "",
                },
                // 表单验证规则
                formValidate: {
                    name: [{required: true, message: "不能为空", trigger: "change"}],
                },
                submitLoading: false, // 添加或编辑提交状态
                selectList: [], // 多选数据
                // 表格动态列 默认勾选显示的列的key
                columnSettings: ["name", "sex", "createTime", "updateTime"],
                // 不能配置的列（不显示）
                whiteColumns: ["action"],
                columns: [
                    // 表头
                    {
                        type: "selection",
                        width: 60,
                        align: "center",
                    },
                    {
                        type: "index",
                        width: 60,
                        align: "center",
                    },
                    {
                        title: "名称",
                        key: "name",
                        sortable: true,
                    },
                    {
                        title: "性别",
                        key: "sex",
                        sortable: true,
                    },
                    {
                        title: "创建时间",
                        key: "createTime",
                        sortable: true,
                        sortType: "desc",
                    },
                    {
                        title: "更新时间",
                        key: "updateTime",
                        sortable: true,
                        // 禁止配置的列
                        disabled: true,
                    },
                    {
                        title: "操作",
                        key: "action",
                        align: "center",
                        render: (h, params) => {
                            return h("div", [
                                h(
                                    "a",
                                    {
                                        on: {
                                            click: () => {
                                                this.edit(params.row);
                                            },
                                        },
                                    },
                                    "编辑"
                                ),
                                h("Divider", {
                                    props: {
                                        type: "vertical",
                                    },
                                }),
                                h(
                                    "a",
                                    {
                                        on: {
                                            click: () => {
                                                this.remove(params.row);
                                            },
                                        },
                                    },
                                    "删除"
                                ),
                            ]);
                        },
                    },
                ],
                columnChange: false,
                data: [], // 表单数据
                total: 0, // 表单数据总数
            };
        },
        // 表格动态列 计算属性
        computed: {
            dynamicColums: function () {
                this.columnChange;
                return this.columns.filter((item) => item.hide != true);
            },
        },
        methods: {
            init() {
                this.getDataList();
            },
            changeColumns(v) {
                this.columns.map((item) => {
                    let hide = true;
                    for (let i = 0; i < v.length; i++) {
                        if (!item.key) {
                            hide = false;
                            break;
                        }
                        if (item.key == v[i] || item.key.indexOf(this.whiteColumns) > -1) {
                            hide = false;
                            break;
                        }
                    }
                    item.hide = hide;
                    return item;
                });
                // 触发计算方法
                this.columnChange = !this.columnChange;
            },
            changePage(v) {
                this.searchForm.page.current = v;
                this.getDataList();
                this.clearSelectAll();
            },
            changesize(v) {
                this.searchForm.page.size = v;
                this.getDataList();
            },
            changeSort(e) {
                this.searchForm.sort = e.key;
                this.searchForm.order = e.order;
                if (e.order == "normal") {
                    this.searchForm.order = "";
                }
                this.getDataList();
            },
            getDataList() {
                this.loading = true;
                // 请求后端获取表单数据 请自行修改接口
                // this.this.$http("请求路径", this.searchForm).then(res => {
                //   this.loading = false;
                //   if (res.status==200) {
                //     this.data = res.result.content;
                //     this.page.total = res.result.totalElements;
                //     if (this.data.length == 0 && this.searchForm.page.current > 1) {
                //       this.searchForm.page.current -= 1;
                //       this.getDataList();
                //     }
                //   }
                // });
                // 以下为模拟数据
                this.data = [
                    {
                        id: "1",
                        name: "XBoot",
                        sex: "男",
                        createTime: "2018-08-08 00:08:00",
                        updateTime: "2018-08-08 00:08:00",
                    },
                    {
                        id: "2",
                        name: "MR.Deer",
                        sex: "女",
                        createTime: "2018-08-08 00:08:00",
                        updateTime: "2018-08-08 00:08:00",
                    },
                ];
                this.searchForm.page.total = this.data.length;
                this.loading = false;
            },
            handleCancel() {
                this.modalVisible = false;
            },
            handleSubmit() {
                this.$refs.form.validate((valid) => {
                    if (valid) {
                        this.submitLoading = true;
                        if (this.modalType == 0) {
                            // 添加 避免编辑后传入id等数据 记得删除
                            delete this.form.id;
                            // this.this.$http("请求地址", this.form).then(res => {
                            //   this.submitLoading = false;
                            //   if (res.status==200) {
                            //     this.$Message.success("操作成功");
                            //     this.getDataList();
                            //     this.modalVisible = false;
                            //   }
                            // });
                            // 模拟请求成功
                            this.submitLoading = false;
                            this.$Message.success("操作成功");
                            this.getDataList();
                            this.modalVisible = false;
                        } else {
                            // 编辑
                            // this.this.$http("请求地址", this.form).then(res => {
                            //   this.submitLoading = false;
                            //   if (res.status==200) {
                            //     this.$Message.success("操作成功");
                            //     this.getDataList();
                            //     this.modalVisible = false;
                            //   }
                            // });
                            // 模拟请求成功
                            this.submitLoading = false;
                            this.$Message.success("操作成功");
                            this.getDataList();
                            this.modalVisible = false;
                        }
                    }
                });
            },
            add() {
                this.modalType = 0;
                this.modalTitle = "添加";
                this.$refs.form.resetFields();
                delete this.form.id;
                this.modalVisible = true;
            },
            edit(v) {
                this.modalType = 1;
                this.modalTitle = "编辑";
                this.$refs.form.resetFields();
                // 转换null为""
                for (let attr in v) {
                    if (v[attr] == null) {
                        v[attr] = "";
                    }
                }
                let str = JSON.stringify(v);
                let data = JSON.parse(str);
                this.form = data;
                this.modalVisible = true;
            },
            remove(v) {
                this.$Modal.confirm({
                    title: "确认删除",
                    // 记得确认修改此处
                    content: "您确认要删除 " + v.name + " ?",
                    loading: true,
                    onOk: () => {
                        // 删除
                        // this.deleteRequest("请求地址，如/deleteByIds/" + v.id).then(res => {
                        //   this.$Modal.remove();
                        //   if (res.status==200) {
                        //     this.$Message.success("操作成功");
                        //     this.clearSelectAll();
                        //     this.getDataList();
                        //   }
                        // });
                        // 模拟请求成功
                        this.$Message.success("操作成功");
                        this.clearSelectAll();
                        this.$Modal.remove();
                        this.getDataList();
                    },
                });
            },
            clearSelectAll() {
                this.$refs.table.selectAll(false);
            },
            changeSelect(e) {
                this.selectList = e;
            },
            delAll() {
                if (this.selectList.length <= 0) {
                    this.$Message.warning("您还未选择要删除的数据");
                    return;
                }
                this.$Modal.confirm({
                    title: "确认删除",
                    content: "您确认要删除所选的 " + this.selectList.length + " 条数据?",
                    loading: true,
                    onOk: () => {
                        let ids = "";
                        this.selectList.forEach(function (e) {
                            ids += e.id + ",";
                        });
                        ids = ids.substring(0, ids.length - 1);
                        // 删除
                        // this.deleteRequest("请求地址，如/deleteByIds/" + ids).then(res => {
                        //   this.$Modal.remove();
                        //   if (res.status==200) {
                        //     this.$Message.success("操作成功");
                        //     this.clearSelectAll();
                        //     this.getDataList();
                        //   }
                        // });
                        // 模拟请求成功
                        this.$Message.success("操作成功");
                        this.$Modal.remove();
                        this.clearSelectAll();
                        this.getDataList();
                    },
                });
            },
        },
        mounted() {
            this.init();
        },
    };
</script>